Table 1 Basic characteristics of all included patients.
Variable | Metastasis from thyroid cancer | ||
|---|---|---|---|
Yes(n) (n = 447),n(%) | No (n = 14156),n(%) | All (n = 14603),n(%) | |
Age | |||
60–79 years | 364 (81.4%) | 13,082 (92.4%) | 13,446 (92.1%) |
≥ 80 years | 83 (18.6%) | 1074 (7.6%) | 1157 (7.9%) |
Classification | |||
PTC | 307 (68.7%) | 12,908 (91.2%) | 13,215 (90.5%) |
FTC | 140 (31.3%) | 1248 (8.8%) | 1388 (9.5%) |
Sex | |||
Male | 191 (42.7%) | 4072 (28.8%) | 4263 (29.2%) |
Female | 256 (57.3%) | 10,084 (71.2%) | 10,340 (70.8%) |
T stage | |||
T0 | 9 (2.0%) | 17 (0.1%) | 26 (0.2%) |
T1 | 45 (10.1%) | 8277 (58.5%) | 8322 (57.0%) |
T2 | 47 (10.5%) | 1936 (13.7%) | 1983 (13.6%) |
T3 | 119 (26.6%) | 2998 (21.2%) | 3117 (21.3%) |
T4 | 154 (34.5%) | 623 (4.4%) | 777 (5.3%) |
TX | 73 (16.3%) | 305 (2.2%) | 378 (2.6%) |
N stage | |||
N0 | 201 (45.0%) | 11,766 (83.1%) | 11,967 (81.9%) |
N1 | 192 (43.0%) | 2230 (15.8%) | 2422 (16.6%) |
NX | 54 (12.1%) | 160 (1.1%) | 214 (1.5%) |
M stage | |||
M0 | 0 | 14,156(100.0%) | 9373 (64.2%) |
M1 | 447(100.0%) | 0 | 5230 (35.8%) |
Surgery of the primary | |||
No | 135 (30.2%) | 359 (2.5%) | 494 (3.4%) |
Thyroidectomy | 30 (6.7%) | 2281 (16.1%) | 2311 (15.8%) |
Subtotal or near total thyroidectomy | 15 (3.4%) | 339 (2.4%) | 354 (2.4%) |
Total thyroidectomy | 267 (59.7%) | 11,177 (79.0%) | 11,444 (78.4%) |
Surgery of other regional disease | |||
No/unknown | 354 (79.2%) | 13,957 (98.6%) | 14,311 (98.0%) |
Yes | 93 (20.8%) | 199 (1.4%) | 292 (2.0%) |
Radiation | |||
None/Unknown | 143 (32.0%) | 8250 (58.3%) | 8393 (57.5%) |
Radioisotopes | 175 (39.1%) | 5618 (39.7%) | 5793 (39.7%) |
Other radiation | 129 (28.9%) | 288 (2.0%) | 417 (2.9%) |
Chemotherapy | |||
None/Unknown | 402 (89.9%) | 14,100 (99.6%) | 14,502 (99.3%) |
Yes | 45 (10.1%) | 56 (0.4%) | 101 (0.7%) |
Tumor size | |||
≤ 1 cm | 37 (8.3%) | 5866 (41.4%) | 5903 (40.4%) |
> 1 and ≤ 2 cm | 58 (13.0%) | 3487 (24.6%) | 3545 (24.3%) |
> 2 and ≤ 4 cm | 114 (25.5%) | 2845 (20.1%) | 2959 (20.3%) |
> 4 cm | 152 (34.0%) | 1539 (10.9%) | 1691 (11.6%) |
Unknown | 86 (19.2%) | 419 (3.0%) | 505 (3.5%) |
Marital status | |||
Married | 238 (53.2%) | 9135 (64.5%) | 9373 (64.2%) |
Others | 209 (46.8%) | 5021 (35.5%) | 5230 (35.8%) |
Race | |||
White | 325 (72.7%) | 11,649 (82.3%) | 11,974 (82.0%) |
Black | 43 (9.6%) | 1008 (7.1%) | 1051 (7.2%) |
Asian or Pacific Islander | 75 (16.8%) | 1418 (10.0%) | 1493 (10.2%) |
American Indian/Alaska Native | 4 (0.9%) | 81 (0.6%) | 85 (0.6%) |
